import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner num = new Scanner(System.in);

        double weight = num.nextDouble();
        double height = num.nextDouble();
        double BIM = weight/(height*height);

        if(BIM >= 18.5 && BIM <= 23.9){
            System.out.println("Normal");
        }else{
            System.out.println("Abnormal");
        }
    }
}